Voltage-controlled photorefractive effect in paraelectric KTa1−xNbxO3:Cu, V

Aharon Agranat; Victor Leyva; Amnon Yariv

doi:10.1364/OL.14.001017

Voltage-controlled photorefractive effect in paraelectric KTa_1−xNb_xO₃:Cu, V

Aharon Agranat, Victor Leyva, Amnon Yariv

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Abstract

Experimental results that demonstrate the formation of photorefractive gratings in KTN:Cu, V in the paraelectric phase are presented. These gratings are formed using the quadratic electro-optic effect, which allows amplitude modulation of the diffracted beam by an external electric field. High diffraction efficiencies of over 50% in a 3-mm-thick sample and amplitude modulation of the diffracted beam by an external field at frequencies of up to 20 kHz were observed.

Original language	English
Pages (from-to)	1017-1019
Number of pages	3
Journal	Optics Letters
Volume	14
Issue number	18
DOIs	https://doi.org/10.1364/OL.14.001017
State	Published - 15 Sep 1989
Externally published	Yes

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abstract = "Experimental results that demonstrate the formation of photorefractive gratings in KTN:Cu, V in the paraelectric phase are presented. These gratings are formed using the quadratic electro-optic effect, which allows amplitude modulation of the diffracted beam by an external electric field. High diffraction efficiencies of over 50% in a 3-mm-thick sample and amplitude modulation of the diffracted beam by an external field at frequencies of up to 20 kHz were observed.",

author = "Aharon Agranat and Victor Leyva and Amnon Yariv",

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AU - Yariv, Amnon

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Y1 - 1989/9/15

N2 - Experimental results that demonstrate the formation of photorefractive gratings in KTN:Cu, V in the paraelectric phase are presented. These gratings are formed using the quadratic electro-optic effect, which allows amplitude modulation of the diffracted beam by an external electric field. High diffraction efficiencies of over 50% in a 3-mm-thick sample and amplitude modulation of the diffracted beam by an external field at frequencies of up to 20 kHz were observed.

AB - Experimental results that demonstrate the formation of photorefractive gratings in KTN:Cu, V in the paraelectric phase are presented. These gratings are formed using the quadratic electro-optic effect, which allows amplitude modulation of the diffracted beam by an external electric field. High diffraction efficiencies of over 50% in a 3-mm-thick sample and amplitude modulation of the diffracted beam by an external field at frequencies of up to 20 kHz were observed.

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Voltage-controlled photorefractive effect in paraelectric KTa_1−xNb_xO₃:Cu, V

Abstract

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